Land degradation is a global problem affecting negatively the livelihoods and food security of billions of people, especially farmers and pastoralists in the developing countries. Eradicating extreme poverty without adequately addressing land degradation is highly unlikely. Given the importance...

Healthy land ecosystems are essential to sustainable development, including food security and improved livelihoods. Yet, their key services have usually been taken for granted and their true value underrated, leading to land degradation becoming a critical global problem. This pattern of...

This paper studies the consequences of certain widespread policies for the quality and sustainability of growth. These policies cause economic inefficiency, environmental destruction and increased poverty. The paper develops a political economy model to show why the existence of such policies is...

This study examines four sets of questions: What is desertification, and how can its impact on productivity be monitored? How extensive is the desertification problem in the MENA region now, and how has it changed over time? What is the current status of the water-harvesting techniques used to...

Desertification is a condition of human - induced land degradation that occurs in arid, semiarid and dry sub - humid regions (precipitation/potential evapotranspiration or P/ETP 0.05 to 0.65) and leads to a persistent decline in economic productivi ty ( 15% of the potential) of useful biota...